%0 Journal Article %A V. P. Mikhailov %T The Dirichlet problem for a second order elliptic equation %J Differencialʹnye uravneniâ %D 1976 %P 1877-1891 %V 12 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_10_a14/ %G ru %F DE_1976_12_10_a14